Home / 108,875,785.80-163,313,678.70-54,456,227.40

Finding the Fourth Proportional to 108,875,785.80, 163,313,678.70 and 54,456,227.40

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Solution

The fourth proportional to 108,875,785.80, 163,313,678.70 and 54,456,227.40 is: 81,684,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,785.80 : 163,313,678.70 = 54,456,227.40 : x
  2. Step 2: Convert to fraction form
    108,875,785.80/163,313,678.70 = 54,456,227.40/x
  3. Step 3: Cross multiply
    108,875,785.80x = 163,313,678.70 × 54,456,227.40
  4. Step 4: Simplify right side
    108,875,785.80x = 8,893,446,824,817,735
  5. Step 5: Solve for x
    x = 8,893,446,824,817,735/108,875,785.80
  6. Step 6: Final answer
    x = 81,684,341.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.